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* Re: [PATCH v1 2/8] RISC-V: Add testcases for unsigned .SAT_SUB vector form 4
@ 2024-06-19 13:20 =?gb18030?B?1tO+09Xc?=
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lgtm








 ----------Reply to Message----------
 On Wed, Jun 19, 2024 21:17 PM pan2.li<pan2.li@intel.com&gt; wrote:

  From: Pan Li <pan2.li@intel.com&gt;

After the middle-end support the form 4 of unsigned SAT_SUB and
the RISC-V backend implement the .SAT_SUB for vector mode,&nbsp; thus
add more test case to cover that.

Form 4:
&nbsp; #define DEF_VEC_SAT_U_SUB_FMT_4(T)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp; void __attribute__((noinline))&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp; vec_sat_u_sub_##T##_fmt_4 (T *out, T *op_1, T *op_2, unsigned limit) \
&nbsp; {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp; unsigned i;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp; for (i = 0; i < limit; i++)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; T x = op_1[i];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; T y = op_2[i];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out[i] = x &gt;= y ? x - y : 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp; }

Passed the rv64gcv regression test.

gcc/testsuite/ChangeLog:

* gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h: Add test macro.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c: New test.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c: New test.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c: New test.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c: New test.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c: New test.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c: New test.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c: New test.
* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c: New test.

Signed-off-by: Pan Li <pan2.li@intel.com&gt;
---
&nbsp;.../riscv/rvv/autovec/binop/vec_sat_arith.h&nbsp;&nbsp; | 16 ++++
&nbsp;.../rvv/autovec/binop/vec_sat_u_sub-13.c&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | 19 +++++
&nbsp;.../rvv/autovec/binop/vec_sat_u_sub-14.c&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | 20 +++++
&nbsp;.../rvv/autovec/binop/vec_sat_u_sub-15.c&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | 20 +++++
&nbsp;.../rvv/autovec/binop/vec_sat_u_sub-16.c&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | 20 +++++
&nbsp;.../rvv/autovec/binop/vec_sat_u_sub-run-13.c&nbsp; | 75 +++++++++++++++++++
&nbsp;.../rvv/autovec/binop/vec_sat_u_sub-run-14.c&nbsp; | 75 +++++++++++++++++++
&nbsp;.../rvv/autovec/binop/vec_sat_u_sub-run-15.c&nbsp; | 75 +++++++++++++++++++
&nbsp;.../rvv/autovec/binop/vec_sat_u_sub-run-16.c&nbsp; | 75 +++++++++++++++++++
&nbsp;9 files changed, 395 insertions(+)
&nbsp;create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c
&nbsp;create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c
&nbsp;create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c
&nbsp;create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c
&nbsp;create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c
&nbsp;create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c
&nbsp;create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c
&nbsp;create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h
index 182cf2cf064..a83f964df0c 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h
@@ -180,6 +180,19 @@ vec_sat_u_sub_##T##_fmt_3 (T *out, T *op_1, T *op_2, unsigned limit) \
&nbsp;&nbsp;&nbsp;&nbsp; }&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;}
&nbsp;
+#define DEF_VEC_SAT_U_SUB_FMT_4(T)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+void __attribute__((noinline))&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+vec_sat_u_sub_##T##_fmt_4 (T *out, T *op_1, T *op_2, unsigned limit) \
+{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+&nbsp; unsigned i;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+&nbsp; for (i = 0; i < limit; i++)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+&nbsp;&nbsp;&nbsp; {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; T x = op_1[i];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; T y = op_2[i];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out[i] = x &gt;= y ? x - y : 0;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+&nbsp;&nbsp;&nbsp; }&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
+}
+
&nbsp;#define RUN_VEC_SAT_U_SUB_FMT_1(T, out, op_1, op_2, N) \
&nbsp;&nbsp; vec_sat_u_sub_##T##_fmt_1(out, op_1, op_2, N)
&nbsp;
@@ -189,4 +202,7 @@ vec_sat_u_sub_##T##_fmt_3 (T *out, T *op_1, T *op_2, unsigned limit) \
&nbsp;#define RUN_VEC_SAT_U_SUB_FMT_3(T, out, op_1, op_2, N) \
&nbsp;&nbsp; vec_sat_u_sub_##T##_fmt_3(out, op_1, op_2, N)
&nbsp;
+#define RUN_VEC_SAT_U_SUB_FMT_4(T, out, op_1, op_2, N) \
+&nbsp; vec_sat_u_sub_##T##_fmt_4(out, op_1, op_2, N)
+
&nbsp;#endif
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c
new file mode 100644
index 00000000000..d4d098f0623
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "vec_sat_arith.h"
+
+/*
+** vec_sat_u_sub_uint8_t_fmt_4:
+** ...
+** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e8,\s*m1,\s*ta,\s*ma
+** vle8\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vle8\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** ...
+*/
+DEF_VEC_SAT_U_SUB_FMT_4(uint8_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_SUB " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c
new file mode 100644
index 00000000000..ba274f514dd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "vec_sat_arith.h"
+
+/*
+** vec_sat_u_sub_uint16_t_fmt_4:
+** ...
+** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e16,\s*m1,\s*ta,\s*ma
+** ...
+** vle16\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vle16\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** ...
+*/
+DEF_VEC_SAT_U_SUB_FMT_4(uint16_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_SUB " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c
new file mode 100644
index 00000000000..5b666be33be
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "vec_sat_arith.h"
+
+/*
+** vec_sat_u_sub_uint32_t_fmt_4:
+** ...
+** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e32,\s*m1,\s*ta,\s*ma
+** ...
+** vle32\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vle32\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** ...
+*/
+DEF_VEC_SAT_U_SUB_FMT_4(uint32_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_SUB " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c
new file mode 100644
index 00000000000..6830f06945c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "vec_sat_arith.h"
+
+/*
+** vec_sat_u_sub_uint64_t_fmt_4:
+** ...
+** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e64,\s*m1,\s*ta,\s*ma
+** ...
+** vle64\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vle64\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** ...
+*/
+DEF_VEC_SAT_U_SUB_FMT_4(uint64_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_SUB " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c
new file mode 100644
index 00000000000..b56115d55b3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c
@@ -0,0 +1,75 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "vec_sat_arith.h"
+
+#define T&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint8_t
+#define N&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16
+#define RUN_VEC_SAT_BINARY RUN_VEC_SAT_U_SUB_FMT_4
+
+DEF_VEC_SAT_U_SUB_FMT_4(T)
+
+T test_data[][3][N] = {
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp; }, /* arg_0 */
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 1, 2, 3,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 1, 2, 3,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 1, 2, 3,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 1, 2, 3,
+&nbsp;&nbsp;&nbsp; }, /* arg_1 */
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp; }, /* expect */
+&nbsp; },
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+0, 255, 255, 255,
+0, 255, 255, 255,
+0, 255, 255, 255,
+0, 255, 255, 255,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+1, 255, 254, 251,
+1, 255, 254, 251,
+1, 255, 254, 251,
+1, 255, 254, 251,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 1,&nbsp;&nbsp; 4,
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 1,&nbsp;&nbsp; 4,
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 1,&nbsp;&nbsp; 4,
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 1,&nbsp;&nbsp; 4,
+&nbsp;&nbsp;&nbsp; },
+&nbsp; },
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 1,&nbsp;&nbsp; 0,
+1,&nbsp;&nbsp; 2,&nbsp;&nbsp; 3,&nbsp;&nbsp; 0,
+1,&nbsp;&nbsp; 2,&nbsp;&nbsp; 3, 255,
+5, 254, 255,&nbsp;&nbsp; 9,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+0,&nbsp;&nbsp; 1,&nbsp;&nbsp; 0, 254,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 254, 254, 254, 255,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 255, 255,&nbsp;&nbsp; 0, 252,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 255, 255, 255,&nbsp;&nbsp; 1,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 1,&nbsp;&nbsp; 0,
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 0,
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 3,&nbsp;&nbsp; 3,
+0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 0,&nbsp;&nbsp; 8,
+&nbsp;&nbsp;&nbsp; },
+&nbsp; },
+};
+
+#include "vec_sat_binary.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c
new file mode 100644
index 00000000000..220007dc6fc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c
@@ -0,0 +1,75 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "vec_sat_arith.h"
+
+#define T&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint16_t
+#define N&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16
+#define RUN_VEC_SAT_BINARY RUN_VEC_SAT_U_SUB_FMT_4
+
+DEF_VEC_SAT_U_SUB_FMT_4(T)
+
+T test_data[][3][N] = {
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp; }, /* arg_0 */
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp; }, /* arg_1 */
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 0, 0,
+&nbsp;&nbsp;&nbsp; }, /* expect */
+&nbsp; },
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 65535, 65535, 65535, 65535,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 65535, 65535, 65535, 65535,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 65535, 65535, 65535, 65535,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 65535, 65535, 65535, 65535,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 55535, 45535, 35535, 25535,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 55535, 45535, 35535, 25535,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 55535, 45535, 35535, 25535,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 55535, 45535, 35535, 25535,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10000, 20000, 30000, 40000,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10000, 20000, 30000, 40000,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10000, 20000, 30000, 40000,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10000, 20000, 30000, 40000,
+&nbsp;&nbsp;&nbsp; },
+&nbsp; },
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp; 2,&nbsp;&nbsp;&nbsp;&nbsp; 3,&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 1, 65535,&nbsp;&nbsp;&nbsp;&nbsp; 3, 65535,
+&nbsp; 5, 65534, 65535,&nbsp;&nbsp;&nbsp;&nbsp; 9,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp; 1, 65534,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 65534, 65534,&nbsp;&nbsp;&nbsp;&nbsp; 1, 65535,
+&nbsp; 0, 65535, 65535,&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 65535, 65535,&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp; 2,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 2,&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 0, 65535,
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp; 0, 65534,&nbsp;&nbsp;&nbsp;&nbsp; 7,
+&nbsp;&nbsp;&nbsp; },
+&nbsp; },
+};
+
+#include "vec_sat_binary.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c
new file mode 100644
index 00000000000..5876148784c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c
@@ -0,0 +1,75 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "vec_sat_arith.h"
+
+#define T&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint32_t
+#define N&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16
+#define RUN_VEC_SAT_BINARY RUN_VEC_SAT_U_SUB_FMT_4
+
+DEF_VEC_SAT_U_SUB_FMT_4(T)
+
+T test_data[][3][N] = {
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 4, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 4, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 4, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 4, 0,
+&nbsp;&nbsp;&nbsp; }, /* arg_0 */
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 1, 2, 3,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 1, 2, 3,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 1, 2, 3,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 1, 2, 3,
+&nbsp;&nbsp;&nbsp; }, /* arg_1 */
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 2, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 2, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 2, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 0, 2, 0,
+&nbsp;&nbsp;&nbsp; }, /* expect */
+&nbsp; },
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4294967295, 4294967295, 4294967295, 4294967295,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4294967295, 4294967295, 4294967295, 4294967295,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4294967295, 4294967295, 4294967295, 4294967295,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4294967295, 4294967295, 4294967295, 4294967295,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1294967295, 2294967295, 3294967295, 4294967295,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1294967295, 2294967295, 3294967295, 4294967295,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1294967295, 2294967295, 3294967295, 4294967295,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1294967295, 2294967295, 3294967295, 4294967295,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3000000000, 2000000000, 1000000000,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3000000000, 2000000000, 1000000000,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3000000000, 2000000000, 1000000000,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3000000000, 2000000000, 1000000000,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp; },
+&nbsp; },
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1, 4294967295,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5, 4294967294, 4294967295, 4294967295,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1, 4294967294,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2, 4294967294, 4294967295,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1, 4294967295, 4294967295,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1, 4294967295, 4294967290,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 4294967293,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5, 4294967286,
+&nbsp;&nbsp;&nbsp; },
+&nbsp; },
+};
+
+#include "vec_sat_binary.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c
new file mode 100644
index 00000000000..468193932bf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c
@@ -0,0 +1,75 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "vec_sat_arith.h"
+
+#define T&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; uint64_t
+#define N&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16
+#define RUN_VEC_SAT_BINARY RUN_VEC_SAT_U_SUB_FMT_4
+
+DEF_VEC_SAT_U_SUB_FMT_4(T)
+
+T test_data[][3][N] = {
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 9, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 9, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 9, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 9, 0, 0,
+&nbsp;&nbsp;&nbsp; }, /* arg_0 */
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 2, 3, 1,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 2, 3, 1,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 2, 3, 1,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 2, 3, 1,
+&nbsp;&nbsp;&nbsp; }, /* arg_1 */
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 7, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 7, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 7, 0, 0,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, 7, 0, 0,
+&nbsp;&nbsp;&nbsp; }, /* expect */
+&nbsp; },
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10446744073709551615u, 11446744073709551615u, 12446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10446744073709551615u, 11446744073709551615u, 12446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10446744073709551615u, 11446744073709551615u, 12446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10446744073709551615u, 11446744073709551615u, 12446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8000000000000000000u,&nbsp; 7000000000000000000u,&nbsp; 6000000000000000000u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8000000000000000000u,&nbsp; 7000000000000000000u,&nbsp; 6000000000000000000u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8000000000000000000u,&nbsp; 7000000000000000000u,&nbsp; 6000000000000000000u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8000000000000000000u,&nbsp; 7000000000000000000u,&nbsp; 6000000000000000000u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0u,
+&nbsp;&nbsp;&nbsp; },
+&nbsp; },
+&nbsp; {
+&nbsp;&nbsp;&nbsp; {
+&nbsp; 0, 18446744073709551615u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 1, 18446744073709551615u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 1, 18446744073709551614u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4,
+&nbsp; 5, 18446744073709551614u, 18446744073709551615u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1, 18446744073709551614u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18446744073709551614u, 18446744073709551614u, 18446744073709551614u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1,
+&nbsp;&nbsp;&nbsp; },
+&nbsp;&nbsp;&nbsp; {
+&nbsp; 0, 18446744073709551614u,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,
+&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8,
+&nbsp;&nbsp;&nbsp; },
+&nbsp; },
+};
+
+#include "vec_sat_binary.h"
-- 
2.34.1

^ permalink raw reply	[flat|nested] 2+ messages in thread
* [PATCH v1 2/8] RISC-V: Add testcases for unsigned .SAT_SUB vector form 4
  2024-06-19 13:16 [PATCH v1 1/8] RISC-V: Add testcases for unsigned .SAT_SUB vector form 3 pan2.li
@ 2024-06-19 13:16 ` pan2.li
  0 siblings, 0 replies; 2+ messages in thread
From: pan2.li @ 2024-06-19 13:16 UTC (permalink / raw)
  To: gcc-patches; +Cc: juzhe.zhong, kito.cheng, jeffreyalaw, rdapp.gcc, Pan Li

From: Pan Li <pan2.li@intel.com>

After the middle-end support the form 4 of unsigned SAT_SUB and
the RISC-V backend implement the .SAT_SUB for vector mode,  thus
add more test case to cover that.

Form 4:
  #define DEF_VEC_SAT_U_SUB_FMT_4(T)                                   \
  void __attribute__((noinline))                                       \
  vec_sat_u_sub_##T##_fmt_4 (T *out, T *op_1, T *op_2, unsigned limit) \
  {                                                                    \
    unsigned i;                                                        \
    for (i = 0; i < limit; i++)                                        \
      {                                                                \
        T x = op_1[i];                                                 \
        T y = op_2[i];                                                 \
        out[i] = x >= y ? x - y : 0;                                   \
      }                                                                \
  }

Passed the rv64gcv regression test.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h: Add test macro.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c: New test.
	* gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c: New test.

Signed-off-by: Pan Li <pan2.li@intel.com>
---
 .../riscv/rvv/autovec/binop/vec_sat_arith.h   | 16 ++++
 .../rvv/autovec/binop/vec_sat_u_sub-13.c      | 19 +++++
 .../rvv/autovec/binop/vec_sat_u_sub-14.c      | 20 +++++
 .../rvv/autovec/binop/vec_sat_u_sub-15.c      | 20 +++++
 .../rvv/autovec/binop/vec_sat_u_sub-16.c      | 20 +++++
 .../rvv/autovec/binop/vec_sat_u_sub-run-13.c  | 75 +++++++++++++++++++
 .../rvv/autovec/binop/vec_sat_u_sub-run-14.c  | 75 +++++++++++++++++++
 .../rvv/autovec/binop/vec_sat_u_sub-run-15.c  | 75 +++++++++++++++++++
 .../rvv/autovec/binop/vec_sat_u_sub-run-16.c  | 75 +++++++++++++++++++
 9 files changed, 395 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c
 create mode 100644 gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c

diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h
index 182cf2cf064..a83f964df0c 100644
--- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_arith.h
@@ -180,6 +180,19 @@ vec_sat_u_sub_##T##_fmt_3 (T *out, T *op_1, T *op_2, unsigned limit) \
     }                                                                \
 }
 
+#define DEF_VEC_SAT_U_SUB_FMT_4(T)                                   \
+void __attribute__((noinline))                                       \
+vec_sat_u_sub_##T##_fmt_4 (T *out, T *op_1, T *op_2, unsigned limit) \
+{                                                                    \
+  unsigned i;                                                        \
+  for (i = 0; i < limit; i++)                                        \
+    {                                                                \
+      T x = op_1[i];                                                 \
+      T y = op_2[i];                                                 \
+      out[i] = x >= y ? x - y : 0;                                   \
+    }                                                                \
+}
+
 #define RUN_VEC_SAT_U_SUB_FMT_1(T, out, op_1, op_2, N) \
   vec_sat_u_sub_##T##_fmt_1(out, op_1, op_2, N)
 
@@ -189,4 +202,7 @@ vec_sat_u_sub_##T##_fmt_3 (T *out, T *op_1, T *op_2, unsigned limit) \
 #define RUN_VEC_SAT_U_SUB_FMT_3(T, out, op_1, op_2, N) \
   vec_sat_u_sub_##T##_fmt_3(out, op_1, op_2, N)
 
+#define RUN_VEC_SAT_U_SUB_FMT_4(T, out, op_1, op_2, N) \
+  vec_sat_u_sub_##T##_fmt_4(out, op_1, op_2, N)
+
 #endif
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c
new file mode 100644
index 00000000000..d4d098f0623
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-13.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "vec_sat_arith.h"
+
+/*
+** vec_sat_u_sub_uint8_t_fmt_4:
+** ...
+** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e8,\s*m1,\s*ta,\s*ma
+** vle8\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vle8\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** ...
+*/
+DEF_VEC_SAT_U_SUB_FMT_4(uint8_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_SUB " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c
new file mode 100644
index 00000000000..ba274f514dd
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-14.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "vec_sat_arith.h"
+
+/*
+** vec_sat_u_sub_uint16_t_fmt_4:
+** ...
+** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e16,\s*m1,\s*ta,\s*ma
+** ...
+** vle16\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vle16\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** ...
+*/
+DEF_VEC_SAT_U_SUB_FMT_4(uint16_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_SUB " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c
new file mode 100644
index 00000000000..5b666be33be
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-15.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "vec_sat_arith.h"
+
+/*
+** vec_sat_u_sub_uint32_t_fmt_4:
+** ...
+** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e32,\s*m1,\s*ta,\s*ma
+** ...
+** vle32\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vle32\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** ...
+*/
+DEF_VEC_SAT_U_SUB_FMT_4(uint32_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_SUB " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c
new file mode 100644
index 00000000000..6830f06945c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-16.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -ftree-vectorize -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } } */
+/* { dg-final { check-function-bodies "**" "" } } */
+
+#include "vec_sat_arith.h"
+
+/*
+** vec_sat_u_sub_uint64_t_fmt_4:
+** ...
+** vsetvli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*e64,\s*m1,\s*ta,\s*ma
+** ...
+** vle64\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vle64\.v\s+v[0-9]+,\s*0\([atx][0-9]+\)
+** vssubu\.vv\s+v[0-9]+,\s*v[0-9]+,\s*v[0-9]+
+** ...
+*/
+DEF_VEC_SAT_U_SUB_FMT_4(uint64_t)
+
+/* { dg-final { scan-rtl-dump-times ".SAT_SUB " 2 "expand" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c
new file mode 100644
index 00000000000..b56115d55b3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-13.c
@@ -0,0 +1,75 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "vec_sat_arith.h"
+
+#define T                  uint8_t
+#define N                  16
+#define RUN_VEC_SAT_BINARY RUN_VEC_SAT_U_SUB_FMT_4
+
+DEF_VEC_SAT_U_SUB_FMT_4(T)
+
+T test_data[][3][N] = {
+  {
+    {
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+    }, /* arg_0 */
+    {
+      0, 1, 2, 3,
+      0, 1, 2, 3,
+      0, 1, 2, 3,
+      0, 1, 2, 3,
+    }, /* arg_1 */
+    {
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+    }, /* expect */
+  },
+  {
+    {
+	0, 255, 255, 255,
+	0, 255, 255, 255,
+	0, 255, 255, 255,
+	0, 255, 255, 255,
+    },
+    {
+	1, 255, 254, 251,
+	1, 255, 254, 251,
+	1, 255, 254, 251,
+	1, 255, 254, 251,
+    },
+    {
+	0,   0,   1,   4,
+	0,   0,   1,   4,
+	0,   0,   1,   4,
+	0,   0,   1,   4,
+    },
+  },
+  {
+    {
+	0,   0,   1,   0,
+	1,   2,   3,   0,
+	1,   2,   3, 255,
+	5, 254, 255,   9,
+    },
+    {
+	0,   1,   0, 254,
+      254, 254, 254, 255,
+      255, 255,   0, 252,
+      255, 255, 255,   1,
+    },
+    {
+	0,   0,   1,   0,
+	0,   0,   0,   0,
+	0,   0,   3,   3,
+	0,   0,   0,   8,
+    },
+  },
+};
+
+#include "vec_sat_binary.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c
new file mode 100644
index 00000000000..220007dc6fc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-14.c
@@ -0,0 +1,75 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "vec_sat_arith.h"
+
+#define T                  uint16_t
+#define N                  16
+#define RUN_VEC_SAT_BINARY RUN_VEC_SAT_U_SUB_FMT_4
+
+DEF_VEC_SAT_U_SUB_FMT_4(T)
+
+T test_data[][3][N] = {
+  {
+    {
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+    }, /* arg_0 */
+    {
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+    }, /* arg_1 */
+    {
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+      0, 0, 0, 0,
+    }, /* expect */
+  },
+  {
+    {
+      65535, 65535, 65535, 65535,
+      65535, 65535, 65535, 65535,
+      65535, 65535, 65535, 65535,
+      65535, 65535, 65535, 65535,
+    },
+    {
+      55535, 45535, 35535, 25535,
+      55535, 45535, 35535, 25535,
+      55535, 45535, 35535, 25535,
+      55535, 45535, 35535, 25535,
+    },
+    {
+      10000, 20000, 30000, 40000,
+      10000, 20000, 30000, 40000,
+      10000, 20000, 30000, 40000,
+      10000, 20000, 30000, 40000,
+    },
+  },
+  {
+    {
+	  0,     0,     1,     0,
+	  1,     2,     3,     0,
+	  1, 65535,     3, 65535,
+	  5, 65534, 65535,     9,
+    },
+    {
+	  0,     1,     1, 65534,
+      65534, 65534,     1, 65535,
+	  0, 65535, 65535,     0,
+      65535, 65535,     1,     2,
+    },
+    {
+	  0,     0,     0,     0,
+	  0,     0,     2,     0,
+	  1,     0,     0, 65535,
+	  0,     0, 65534,     7,
+    },
+  },
+};
+
+#include "vec_sat_binary.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c
new file mode 100644
index 00000000000..5876148784c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-15.c
@@ -0,0 +1,75 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "vec_sat_arith.h"
+
+#define T                  uint32_t
+#define N                  16
+#define RUN_VEC_SAT_BINARY RUN_VEC_SAT_U_SUB_FMT_4
+
+DEF_VEC_SAT_U_SUB_FMT_4(T)
+
+T test_data[][3][N] = {
+  {
+    {
+      0, 0, 4, 0,
+      0, 0, 4, 0,
+      0, 0, 4, 0,
+      0, 0, 4, 0,
+    }, /* arg_0 */
+    {
+      0, 1, 2, 3,
+      0, 1, 2, 3,
+      0, 1, 2, 3,
+      0, 1, 2, 3,
+    }, /* arg_1 */
+    {
+      0, 0, 2, 0,
+      0, 0, 2, 0,
+      0, 0, 2, 0,
+      0, 0, 2, 0,
+    }, /* expect */
+  },
+  {
+    {
+      4294967295, 4294967295, 4294967295, 4294967295,
+      4294967295, 4294967295, 4294967295, 4294967295,
+      4294967295, 4294967295, 4294967295, 4294967295,
+      4294967295, 4294967295, 4294967295, 4294967295,
+    },
+    {
+      1294967295, 2294967295, 3294967295, 4294967295,
+      1294967295, 2294967295, 3294967295, 4294967295,
+      1294967295, 2294967295, 3294967295, 4294967295,
+      1294967295, 2294967295, 3294967295, 4294967295,
+    },
+    {
+      3000000000, 2000000000, 1000000000,          0,
+      3000000000, 2000000000, 1000000000,          0,
+      3000000000, 2000000000, 1000000000,          0,
+      3000000000, 2000000000, 1000000000,          0,
+    },
+  },
+  {
+    {
+	       0,          0,          9,          0,
+	       1, 4294967295,          3,          0,
+	       1,          2,          3,          4,
+	       5, 4294967294, 4294967295, 4294967295,
+    },
+    {
+	       0,          1,          1, 4294967294,
+	       1,          2, 4294967294, 4294967295,
+	       1, 4294967295, 4294967295,          1,
+	       1, 4294967295, 4294967290,          9,
+    },
+    {
+	       0,          0,          8,          0,
+	       0, 4294967293,          0,          0,
+	       0,          0,          0,          3,
+	       4,          0,          5, 4294967286,
+    },
+  },
+};
+
+#include "vec_sat_binary.h"
diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c
new file mode 100644
index 00000000000..468193932bf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/binop/vec_sat_u_sub-run-16.c
@@ -0,0 +1,75 @@
+/* { dg-do run { target { riscv_v } } } */
+/* { dg-additional-options "-std=c99" } */
+
+#include "vec_sat_arith.h"
+
+#define T                  uint64_t
+#define N                  16
+#define RUN_VEC_SAT_BINARY RUN_VEC_SAT_U_SUB_FMT_4
+
+DEF_VEC_SAT_U_SUB_FMT_4(T)
+
+T test_data[][3][N] = {
+  {
+    {
+      0, 9, 0, 0,
+      0, 9, 0, 0,
+      0, 9, 0, 0,
+      0, 9, 0, 0,
+    }, /* arg_0 */
+    {
+      0, 2, 3, 1,
+      0, 2, 3, 1,
+      0, 2, 3, 1,
+      0, 2, 3, 1,
+    }, /* arg_1 */
+    {
+      0, 7, 0, 0,
+      0, 7, 0, 0,
+      0, 7, 0, 0,
+      0, 7, 0, 0,
+    }, /* expect */
+  },
+  {
+    {
+      18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+      18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+      18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+      18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+    },
+    {
+      10446744073709551615u, 11446744073709551615u, 12446744073709551615u, 18446744073709551615u,
+      10446744073709551615u, 11446744073709551615u, 12446744073709551615u, 18446744073709551615u,
+      10446744073709551615u, 11446744073709551615u, 12446744073709551615u, 18446744073709551615u,
+      10446744073709551615u, 11446744073709551615u, 12446744073709551615u, 18446744073709551615u,
+    },
+    {
+       8000000000000000000u,  7000000000000000000u,  6000000000000000000u,                    0u,
+       8000000000000000000u,  7000000000000000000u,  6000000000000000000u,                    0u,
+       8000000000000000000u,  7000000000000000000u,  6000000000000000000u,                    0u,
+       8000000000000000000u,  7000000000000000000u,  6000000000000000000u,                    0u,
+    },
+  },
+  {
+    {
+			  0, 18446744073709551615u,                     1,                     0,
+			  1, 18446744073709551615u,                     3,                     0,
+			  1, 18446744073709551614u,                     3,                     4,
+			  5, 18446744073709551614u, 18446744073709551615u,                     9,
+    },
+    {
+			  0,                     1,                     1, 18446744073709551614u,
+      18446744073709551614u, 18446744073709551614u, 18446744073709551614u, 18446744073709551615u,
+      18446744073709551615u, 18446744073709551615u, 18446744073709551615u, 18446744073709551615u,
+      18446744073709551615u, 18446744073709551615u, 18446744073709551615u,                     1,
+    },
+    {
+			  0, 18446744073709551614u,                     0,                     0,
+			  0,                     1,                     0,                     0,
+			  0,                     0,                     0,                     0,
+			  0,                     0,                     0,                     8,
+    },
+  },
+};
+
+#include "vec_sat_binary.h"
-- 
2.34.1


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